Serving plank



FIG. 1 is a top perspective view of a serving plank;

FIG. 2 is a top plan view of the serving plank of FIG. 1;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a front elevational view thereof; and,

FIG. 5 is a right side elevational view thereof.

The ornamental design which is claimed is shown in solid lines in the drawings. A rear elevational view is not shown because it is identical to the front elevational shown in FIG. 4. A left side elevational view is not shown because it is identical to the right side elevational view shown in FIG. 5. 

CLAIM The ornamental design for a serving plank, as shown and described. 